Improvements?

Ok i'm going to post sig's i made and posted, they may be old but, i mainly want you to see if i have improved? I'll go 1 to 5 starting with the oldest one, number one:

1.


2.


Now i got the size here
3.


Then the pop-outs, yes it says Shuh becuz of request but he got his name change to 'spartanlol'
4.


Then the one, you all liked (current sig)
5.


Most importantly, have i improved slightly?...